787479 has 24 divisors (see below), whose sum is σ = 1335168. Its totient is φ = 408240.

The previous prime is 787477. The next prime is 787483. The reversal of 787479 is 974787.

It is not a de Polignac number, because 787479 - 2¹ = 787477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 787479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1374 + ... + 1860.

It is an arithmetic number, because the mean of its divisors is an integer number (55632).

2⁷⁸⁷⁴⁷⁹ is an apocalyptic number.

787479 is a deficient number, since it is larger than the sum of its proper divisors (547689).

787479 is a wasteful number, since it uses less digits than its factorization.

787479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 508 counting only the distinct ones).

The product of its digits is 98784, while the sum is 42.

The square root of 787479 is about 887.4001352265. The cubic root of 787479 is about 92.3449166641.

It can be divided in two parts, 78 and 7479, that added together give a palindrome (7557).

The spelling of 787479 in words is "seven hundred eighty-seven thousand, four hundred seventy-nine".